#include <stdio.h>
/* print Fahrenheit-Celsius table
 * for fahr = 0, 20, ..., 300 */
// floating-point version

int main()
{
    printf("  F    C\n");
    float fahr;
    for(fahr=300;fahr>=0;fahr-=20){
        printf("%3.0f %6.1f\n",fahr,(fahr-32)*5.0/9.0);
    }
    return 0;
}
